Features: Make of highly elastics TPE material, which have good elastics and durability and is not easy to deforms / tear. The hand paddle is ergonomically shape. And It attaches well to the hand and reduces the influence of water when swimming. The tension rope can imitate resistance and movement when swimming in pool. And It can also help train the strength of their arm and shoulders without goings into pool water. In contrast to normal tension band, this stretching training device offer even level of resistance with every stretch to make every movement with the right tension. With resistance tube, you can perform vertical, horizontals and diagonals exercises for hand and forearm positioning that is ergonomical and practical. It is perfect for swimming. Training Tool. Specifications: Material: TPE Color: Yellow/Redness/Blue Color/Green/Black TPE pipe length: about 120cm/47.24inch Package Includes: 1set Swimming Arm Strength Trainer note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.